package distanciaedicion;

public class Intercambiar extends Operacion{
	
	private static Integer COSTO_INTERCAMBIAR = 1;
	private static Intercambiar INSTANCE = null;
	
	public static Intercambiar getInstance() {
		if (INSTANCE == null) INSTANCE = new Intercambiar();
		return INSTANCE;
	}
	
	private Intercambiar() {
		super(Intercambiar.COSTO_INTERCAMBIAR);		
	}

	
	
		
	
	public void execute() {
		System.out.print("Intercambiar");
		System.out.print(getCaracterFuente() + ' ');
		System.out.println(getCaracterDestino());
	}

}
